If the A/C system in your first generation (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 & 2016) GMC Acadia SUV hasn’t been working as well recently, or the air coming out of the vents smells a bit musty or moldy, you probably need to clean or change the cabin air filter element in the HVAC blower motor housing. Take a look at my DIY tutorial for the procedure (with the replacement part numbers) by clicking on the text link or thumbnail image below.
2007-2016 GMC Acadia A/C Cabin Air Filter Replacement Guide
